The Tor Browser / file comparison
comparison: layout/xul/nsStackFrame.cpp
layout/xul/nsStackFrame.cpp
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:644d0dcd2379 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 // | |
| 7 // Eric Vaughan | |
| 8 // Netscape Communications | |
| 9 // | |
| 10 // See documentation in associated header file | |
| 11 // | |
| 12 | |
| 13 #include "nsStackFrame.h" | |
| 14 #include "nsStyleContext.h" | |
| 15 #include "nsIContent.h" | |
| 16 #include "nsCOMPtr.h" | |
| 17 #include "nsHTMLParts.h" | |
| 18 #include "nsIPresShell.h" | |
| 19 #include "nsCSSRendering.h" | |
| 20 #include "nsBoxLayoutState.h" | |
| 21 #include "nsStackLayout.h" | |
| 22 #include "nsDisplayList.h" | |
| 23 | |
| 24 nsIFrame* | |
| 25 NS_NewStackFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 26 { | |
| 27 return new (aPresShell) nsStackFrame(aPresShell, aContext); | |
| 28 } | |
| 29 | |
| 30 NS_IMPL_FRAMEARENA_HELPERS(nsStackFrame) | |
| 31 | |
| 32 nsStackFrame::nsStackFrame(nsIPresShell* aPresShell, nsStyleContext* aContext): | |
| 33 nsBoxFrame(aPresShell, aContext) | |
| 34 { | |
| 35 nsCOMPtr<nsBoxLayout> layout; | |
| 36 NS_NewStackLayout(aPresShell, layout); | |
| 37 SetLayoutManager(layout); | |
| 38 } | |
| 39 | |
| 40 // REVIEW: The old code put everything in the background layer. To be more | |
| 41 // consistent with the way other frames work, I'm putting everything in the | |
| 42 // Content() (i.e., foreground) layer (see nsFrame::BuildDisplayListForChild, | |
| 43 // the case for stacking context but non-positioned, non-floating frames). | |
| 44 // This could easily be changed back by hacking nsBoxFrame::BuildDisplayListInternal | |
| 45 // a bit more. | |
| 46 void | |
| 47 nsStackFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder, | |
| 48 const nsRect& aDirtyRect, | |
| 49 const nsDisplayListSet& aLists) | |
| 50 { | |
| 51 // BuildDisplayListForChild puts stacking contexts into the PositionedDescendants | |
| 52 // list. So we need to map that list to aLists.Content(). This is an easy way to | |
| 53 // do that. | |
| 54 nsDisplayList* content = aLists.Content(); | |
| 55 nsDisplayListSet kidLists(content, content, content, content, content, content); | |
| 56 nsIFrame* kid = mFrames.FirstChild(); | |
| 57 while (kid) { | |
| 58 // Force each child into its own true stacking context. | |
| 59 BuildDisplayListForChild(aBuilder, kid, aDirtyRect, kidLists, | |
| 60 DISPLAY_CHILD_FORCE_STACKING_CONTEXT); | |
| 61 kid = kid->GetNextSibling(); | |
| 62 } | |
| 63 } |
